Stadivirus is a type of virus that primarily affects fish, particularly in aquaculture settings. It belongs to the family of viruses known as Nodaviridae and is associated with diseases that can impact fish health and aquaculture productivity. The virus is notable for causing significant economic losses in the industry due to its effects on fish populations. Research into stadivirus focuses on understanding its pathology, transmission, and potential control measures to mitigate its impact on fish farming.